Search a number
-
+
49955771 is a prime number
BaseRepresentation
bin1011111010010…
…0001110111011
310111000000102202
42332210032323
5100242041041
64542420415
71144421435
oct276441673
9114000382
1049955771
1126220568
121489170b
13a471238
1468c5655
1545bba9b
hex2fa43bb

49955771 has 2 divisors, whose sum is σ = 49955772. Its totient is φ = 49955770.

The previous prime is 49955749. The next prime is 49955797. The reversal of 49955771 is 17755994.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-49955771 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (49951771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24977885 + 24977886.

It is an arithmetic number, because the mean of its divisors is an integer number (24977886).

Almost surely, 249955771 is an apocalyptic number.

49955771 is a deficient number, since it is larger than the sum of its proper divisors (1).

49955771 is an equidigital number, since it uses as much as digits as its factorization.

49955771 is an evil number, because the sum of its binary digits is even.

The product of its digits is 396900, while the sum is 47.

The square root of 49955771 is about 7067.9396573542. The cubic root of 49955771 is about 368.2944904657.

The spelling of 49955771 in words is "forty-nine million, nine hundred fifty-five thousand, seven hundred seventy-one".